A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/30 (2006.01)
Patent
CA 2643333
The present invention relates to a spacer device made of polymer cement ready for use as a replacement for a permanent articular prosthesis during a two-stage revision, comprising a rod that can be fixed to the support bone, and a head that can be placed in the articular zone, said spacer device being composed of two complementary elements that comprise means for rigid assembly to each other, the first element being charged with a first active substance, and the second element being charged with a second active substance. According to a preferred embodiment of the invention, the first and second active substances are antibiotics chosen, for example, from among gentamicin, tobramycin, vancomycin, erythromycin, fucidin, tetracycline, or other suitable antibiotics. The temporary articular implant according to the invention is intended, on the one hand, to maintain a suitable space for the length of time necessary for the replacement of a permanent prosthesis, in order to ensure that the tissues do not occupy the space freed by the removal of the permanent prosthesis, and, on the other hand, to ensure effective treatment of resistant infections by local treatment of the articular zone by at least two different active substances, such as two antibiotics.
La présente demande a pour objet un dispositif espaceur en ciment polymère prêt à l' emploi pour le remplacement d'une prothèse articulaire permanente lors d'une reprise en deux temps, comprenant une tige apte à être fixée à l'os support et une tête apte à se placer dans la zone articulaire, ledit dispositif espaceur étant constitué de deux éléments complémentaires comprenant des moyens d'assemblage rigide entre eux, le premier élément étant chargé d'une première substance active, et le deuxième élément étant chargé d'une deuxième substance active. Selon un mode préféré de réalisation, les première et deuxième substances actives sont des antibiotiques, choisis par exemple parmi la gentamicine, la trobamycine, la vancomycine, l' érythromycine, la fucidine, la tétracycline, ou d'autres antibiotiques convenables.
Laverne Claudine
Leonard Alain
Oglaza Jean-Francois
Moffat & Co.
Teknimed
LandOfFree
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